diff --git a/.github/workflows/acceptance.yml b/.github/workflows/acceptance.yml
index 5b4bd63..af7ef62 100644
--- a/.github/workflows/acceptance.yml
+++ b/.github/workflows/acceptance.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.0
 
       - uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # pin@v1.268.0
         with:
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index db4c3f6..3ff6322 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.0
 
       - uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # pin@v1.268.0
         with:
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index dd795ca..d3a3955 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -12,7 +12,7 @@ jobs:
       contents: read
     steps:
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.0
 
       - uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # pin@v1.268.0
         with:
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 0db712d..59ede07 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.0
 
       - uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # pin@v1.268.0
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 808975c..031cd5f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.0
 
       - uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # pin@v1.268.0
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index db65ff8..fa30a32 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # pin@v5.0.1
+        uses: actions/checkout@c2d88d3ecc89a9ef08eebf45d9637801dcee7eb5 # pin@v5.0.1
         with:
           persist-credentials: false
 
@@ -62,7 +62,7 @@ jobs:
       packages: write
       id-token: write
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # pin@v5.0.1
+      - uses: actions/checkout@c2d88d3ecc89a9ef08eebf45d9637801dcee7eb5 # pin@v5.0.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 19101dd..4e3d40b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.0
 
       - uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # pin@v1.268.0
         with: